Fix getTRDLayer and TRD chi2 assignment

Author: shahor02

Detectors/TPC/calibration/SpacePoints/include/SpacePoints/TrackInterpolation.h

@@ -100,7 +100,7 @@ struct UnbinnedResid {
   bool isITS() const { return row >= 180; }
   int getDetID() const { return isTPC() ? 1 : (isITS() ? 0 : (isTRD() ? 2 : (isTOF() ? 3 : -1))); }
   int getITSLayer() const { return row - 180; }
-  int getTRDLayer() const { return row - 170; }
+  int getTRDLayer() const { return row - 160; }
   float getAlpha() const;
   float getX() const;
 

Detectors/TPC/calibration/SpacePoints/src/TrackInterpolation.cxx

@@ -1119,6 +1119,7 @@ void TrackInterpolation::extrapolateTrack(int iSeed)
       if (gidTableFull[GTrackID::TRD].isIndexSet()) {
         const auto& trkTRD = mRecoCont->getITSTPCTRDTrack<o2::trd::TrackTRD>(gidTableFull[GTrackID::ITSTPCTRD]);
         trackData.nTrkltsTRD = trkTRD.getNtracklets();
+        trackData.chi2TRD = trkTRD.getChi2();
         for (int iLayer = 0; iLayer < o2::trd::constants::NLAYER; iLayer++) {
           std::array<float, 2> trkltTRDYZ{};
           int res = processTRDLayer(trkTRD, iLayer, trkWork, &trkltTRDYZ, nullptr, &trackData, &trkl64, &trklCalib);